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TEAS Prep 4

QuestionAnswer
What are the three points of Cell Theory? - All living things are made of cells. - The cell is the basic unit of life. - Cells come from pre-existing cells.
Nucleus Contains DNA; controls the cell
Cell membrane Controls what enters and leaves
Cytoplasm Jelly-like fluid where organelles are found
Mitochondria Produces ATP (energy); "powerhouse"
Ribosomes Make proteins
Rough ER Makes/transports proteins
Smooth ER Makes lipids and detoxifies
Golgi apparatus Packages and ships proteins
Lysosomes Digest waste and old cell parts
DNA Double-stranded Bases: A, T, C, G Stays in the nucleus
RNA Single-stranded Uses U instead of T Helps make proteins
Base pairing A ↔ T (DNA) A ↔ U (RNA) C ↔ G
Proton - Positive charge - Located in the nucleus
Neutron - Neutral charge - Located in the nucleus
Electron - Negative charge - Located outside of the nucleus
Atomic number Number of protons
Mass number Protons + Neutrons
Acids and Bases - Acid: pH below 7 - Neutral: 7 - Base: pH above 7
Arteries Carry blood away from the heart
Veins Carry blood to the heart
Created by: bbrdd2
 

 



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